add notes to the disabled visibility setting string helper to ensure changes are reflected in the model as well

parent_id is being set to 0 by RSpec.

rename .project-visibility-level-holder to .visibility-level-setting and move from projects.scss to settings.scss

Sub groups should not have a visibility level higher than its parent.

Fix repo editor scrollbar

Closes #37020

See merge request !13823

Common Docker Documentation Location in `gitlab-ce`

Closes #36828

See merge request !13749

Improve documentation for 'dependencies' keyword

Closes #36857

See merge request !13758

Enable 5 lines of Sidekiq backtrace lines to aid in debugging

Closes #27626

See merge request !13822

Document version Group Milestones API introduced

See merge request !13787

Fix deprecation warning when running webpack

See merge request !13656

Point to /developers on docs/administration/authentiq.md

See merge request !13710

Replace 'source/search_code.feature' spinach test with an rspec analog

See merge request !13697

Docs update links guideline to inline links

Closes gitlab-com/gitlab-docs#121

See merge request !13677

Add deprecation note in renaming sections for CI_BUILD_* variables

Closes #36973

See merge request !13801

Handle creating a nested group on MySQL correctly

See merge request !13829